Home / 2,325.20-3,208.84-1,277.36

Finding the Fourth Proportional to 2,325.20, 3,208.84 and 1,277.36

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Solution

The fourth proportional to 2,325.20, 3,208.84 and 1,277.36 is: 1,762.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.20 : 3,208.84 = 1,277.36 : x
  2. Step 2: Convert to fraction form
    2,325.20/3,208.84 = 1,277.36/x
  3. Step 3: Cross multiply
    2,325.20x = 3,208.84 × 1,277.36
  4. Step 4: Simplify right side
    2,325.20x = 4,098,843.86
  5. Step 5: Solve for x
    x = 4,098,843.86/2,325.20
  6. Step 6: Final answer
    x = 1,762.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.